Table 1.
Diet composition and nutrient levels
| Item (%, unless otherwise indicated) | Starter diets (day 0–21) | Grower diets (day 22–28) |
|---|---|---|
| Ingredient | ||
| Wheat | 62.75 | 68.5 |
| Soybean meal | 29.61 | 23.72 |
| Soybean oil | 3.40 | 4.00 |
| Dicalcium phosphate | 1.91 | 1.63 |
| Limestone | 1.04 | 0.96 |
| Sodium chloride | 0.35 | 0.35 |
| Choline chloride (50 %) | 0.25 | 0.25 |
| L-Lysine (99 %) | 0.25 | 0.24 |
| DL-Methionine (98 %) | 0.19 | 0.11 |
| Antioxidants | 0.03 | 0.03 |
| Trace mineral premix a | 0.20 | 0.20 |
| Vitamin premix b | 0.02 | 0.02 |
| Calculated nutrient levels | ||
| Metabolizable energy (Mcal/kg) | 2.90 | 2.98 |
| Protein | 21.00 | 19.00 |
| Calcium | 1.00 | 0.90 |
| Available phosphorus | 0.45 | 0.40 |
| Lysine | 1.15 | 1.00 |
| Methionine | 0.50 | 0.40 |
a The trace mineral premix provided the following (per kilogram of diet): manganese, 100 mg; zinc, 75 mg; iron, 80 mg; copper, 8 mg; selenium, 0.25 mg; iodine, 0.35 mg
b The vitamin premix provided the following (per kilogram of diet): vitamin A, 18750 IU; vitamin D3, 3750 IU; vitamin E, 28 IU; vitamin K3, 3.975 mg; thiamine mononitrate, 3 mg; riboflavin, 9 mg; vitamin B12, 0.0375 mg; d-biotin, 0.150 mg; folic acid, 1.875 mg; d-calcium pantothenate, 18 mg; nicotinic acid, 75 mg